The Number

1978

One Thousand Nine Hundred and Seventy-Eight

In Base 13 Tridecimal Is

b9213

The numbers with a 13 subscript use Base 13 Tridecimal notation.

For more familiar numbers: See One Thousand Nine Hundred and Seventy-Eight in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

1975
b8c13
One Thousand Nine Hundred and Seventy-Five in Base 13 Tridecimal
1976
b9013
One Thousand Nine Hundred and Seventy-Six in Base 13 Tridecimal
1977
b9113
One Thousand Nine Hundred and Seventy-Seven in Base 13 Tridecimal
1979
b9313
One Thousand Nine Hundred and Seventy-Nine in Base 13 Tridecimal
1980
b9413
One Thousand Nine Hundred and Eighty in Base 13 Tridecimal
1981
b9513
One Thousand Nine Hundred and Eighty-One in Base 13 Tridecimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.978e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00115932a1aab75c8713

The reciprocal of 1978 in Base 13 Tridecimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number b9213 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand nine hundred and seventy-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and seventy-eight is a composite number with 8 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand nine hundred and seventy-eight has the following 3 prime factors:

2
213
Two in Base 13 Tridecimal
23
1a13
Twenty-Three in Base 13 Tridecimal
43
3413
Forty-Three in Base 13 Tridecimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

2131 · 1a131 · 34131 = b9213

Base Conversions

The number one thousand nine hundred and seventy-eight in 35 different bases